/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.client.io;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFuture;
import java.net.InetSocketAddress;
import org.apache.ignite.lang.IgniteException;

/**
 * Client connection: abstracts away sending and receiving messages.
 */
public interface ClientConnection extends AutoCloseable {
    /**
     * Sends a message.
     *
     * @param msg Message buffer.
     * @return Future for the operation.
     */
    ChannelFuture send(ByteBuf msg) throws IgniteException;

    /**
     * Gets a buffer to write to.
     *
     * @return Buffer.
     */
    ByteBuf getBuffer();

    /**
     * Gets the remote address.
     *
     * @return Remote address.
     */
    InetSocketAddress remoteAddress();

    /**
     * Closes the connection.
     */
    @Override
    void close();
}
